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Anna007 [38]
3 years ago
5

I need help ¯\_(ツ)_/¯

Mathematics
1 answer:
Bond [772]3 years ago
6 0
 1.  As M is the midsegment  JM / JK = 1/2 

By similar triangles  JM/JK = 1/2 = x / 12

2x = 12  so x = 6 answer


2.    By the same reasoning as above

  x / (x + 9 )  =  8.5 / 17  = 1/2
2x = x + 9
x = 9  

Answer x = 9


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The answer is 5


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5 0
4 years ago
The ratio of green marbles to yellow marbles in Toby’s bag is equal to 2:3. What percent of the marbles in the bag are green mar
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Read 2 more answers
Determine algebraically the zeros of f(x)=3x^3+21x^2+36x
Mashcka [7]

Answer:

The zeros of the given polynomial function f(x) are -3,0,-4

Step-by-step explanation:

Given polynomial is f(x)=3x^3+21x^2+36x

To find the zeros of the given polynomial:

First equate the polynomial function f(x) to zero

That is f(x)=3x^3+21x^2+36x=0

By synthetic division we can solve it

-3_| 3      21       36     0

      0       -9      -36    0

   _____________________

      3      12        0        0

      Therefore x+3 is a factor

    That is x=-3 is a zero

    3x^2+12x=0

    3x(x+4)=0

    3x=0 or x+4=0

    Therefore x=0 or x=-4

    Therefore the zeros are -3,0,-4

6 0
4 years ago
A building measuring 90m by60m is to be built. A paved area of uniform will surround the building. The area is to have an are of
Effectus [21]
A= 9000m squared and A= base(width)*hight or A=b*h so divide 9000m by 60m
9000/60=(1050) 60 120 180 240 300 360 420 480 and so on
                            1     2     3    4      5     6    7     8
4 0
3 years ago
Please Help ! Need Answers !
erma4kov [3.2K]
Whats your question
6 0
3 years ago
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